Base | Representation |
---|---|
bin | 100110111001110… |
… | …1101010000010101 |
3 | 10100222100012121210 |
4 | 1031303231100111 |
5 | 10133140302331 |
6 | 333311132033 |
7 | 44230501620 |
oct | 11563552025 |
9 | 3328305553 |
10 | 1305400341 |
11 | 60a956663 |
12 | 305214019 |
13 | 17a5a904b |
14 | c5528db7 |
15 | 7990a446 |
hex | 4dced415 |
1305400341 has 8 divisors (see below), whose sum is σ = 1989181504. Its totient is φ = 745943040.
The previous prime is 1305400309. The next prime is 1305400379. The reversal of 1305400341 is 1430045031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1305400341 - 25 = 1305400309 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62161921 = 1305400341 / (1 + 3 + 0 + 5 + 4 + 0 + 0 + 3 + 4 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305400741) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31080940 + ... + 31080981.
It is an arithmetic number, because the mean of its divisors is an integer number (248647688).
Almost surely, 21305400341 is an apocalyptic number.
It is an amenable number.
1305400341 is a deficient number, since it is larger than the sum of its proper divisors (683781163).
1305400341 is an equidigital number, since it uses as much as digits as its factorization.
1305400341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62161931.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1305400341 is about 36130.3243965509. The cubic root of 1305400341 is about 1092.9020500419.
Adding to 1305400341 its reverse (1430045031), we get a palindrome (2735445372).
The spelling of 1305400341 in words is "one billion, three hundred five million, four hundred thousand, three hundred forty-one".
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